OpenTechnical

OT-2026-000017907

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, pulsed blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000017907) never changes.

Identity and time

Publication numberOT-2026-000017907 · never reused
Internal UUID01a0ae6e-96fb-7e17-bf70-3cdbfbb08787 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017907
StatusPUBLIC

Content hashes

Canonical text5a325cc929569d82c1640381c1e98d76be38d67e06bc9a5a30344fadbe0822bc
Markdown95828104f0a90fa61e09b0595e3467e44f0c35b49166e072f3718ec486862931
PDF
Publication page2698e0a5f4460ccb0b5fbc93248313d602df27d366485ab11706fa443b68c7d3
Manifestbf2280215a2eaf7aa811b55ccc6de746b9c1431027069ae602eed4c56707e7c2

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureBu9CeeVfV+erbM3hV4mztQ/mouytwxEMNcxIWqAjfyWfQjla13ZigpLxq+LJ6hu3wa2O/N/3g2ki+quXVBzsCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:01:53.895648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017907
observed 2698e0a5f4460ccb0b5fbc93248313d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:53.880926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017907/manifest.json
observed bf2280215a2eaf7aa811b55ccc6de746...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:53.864745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017907/publication.md
observed 95828104f0a90fa61e09b0595e3467e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:53.848802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017907/publication.txt
observed 5a325cc929569d82c1640381c1e98d76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.